Title:
SURFACE COATING CUTTER
Document Type and Number:
WIPO Patent Application WO/2006/070538
Kind Code:
A1
Abstract:
A surface coating cutter (1) comprising a substrate, and a coating formed thereon, characterized in that the coating includes a first coating of TiCN and a second coating of &agr type Al2O3, the first coating is interposed between the substrate and the second coating, and the second coating has compressive stress S1 on the cutting face (2) and tensile stress S2 on the flank (3), with the compressive stress S1 and the tensile stress S2 being defined by the following expression (I); 441MPa≤&Verbar S1-S2&Verbar ≤3500MPa ... (I).
Inventors:
Okada, Yoshio c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Omori, Naoya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Itoh, Minoru c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Takanashi, Norihiro c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Imamura, Shinya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Okuno, Susumu c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Omori, Naoya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Itoh, Minoru c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Takanashi, Norihiro c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Imamura, Shinya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Okuno, Susumu c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Application Number:
PCT/JP2005/020995
Publication Date:
July 06, 2006
Filing Date:
November 16, 2005
Export Citation:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chome, Itami-shi, Hyogo, 664-0016, JP)
Okada, Yoshio c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Omori, Naoya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Itoh, Minoru c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Takanashi, Norihiro c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Imamura, Shinya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Okuno, Susumu c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Okada, Yoshio c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Omori, Naoya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Itoh, Minoru c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Takanashi, Norihiro c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Imamura, Shinya c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
Okuno, Susumu c/o SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chom, Itami-shi Hyogo, 664-0016, JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16
Attorney, Agent or Firm:
Fukami, Hisao (Fukami Patent Office, Nakanoshima Central Tower 22nd Floor, 2-7,
Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka, 530-0005, JP)
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